<template>
  <div
    id="main9"
    class="main"
  />
</template>

<script>
export default {
  mounted () {
    this.echartsFn()
  },
  methods: {
    echartsFn () {
      var chartDom = document.getElementById('main9')
      var myChart = this.$echarts.init(chartDom)
      var option

      const CubeLeft = this.$echarts.graphic.extendShape({
        shape: {
          x: 0,
          y: 0
        },
        buildPath: function (ctx, shape) {
          const xAxisPoint = shape.xAxisPoint
          const c0 = [shape.x, shape.y]
          const c1 = [shape.x - 9, shape.y - 9]
          const c2 = [xAxisPoint[0] - 9, xAxisPoint[1] - 9]
          const c3 = [xAxisPoint[0], xAxisPoint[1]]
          ctx
            .moveTo(c0[0], c0[1])
            .lineTo(c1[0], c1[1])
            .lineTo(c2[0], c2[1])
            .lineTo(c3[0], c3[1])
            .closePath()
        }
      })
      const CubeRight = this.$echarts.graphic.extendShape({
        shape: {
          x: 0,
          y: 0
        },
        buildPath: function (ctx, shape) {
          const xAxisPoint = shape.xAxisPoint
          const c1 = [shape.x, shape.y]
          const c2 = [xAxisPoint[0], xAxisPoint[1]]
          const c3 = [xAxisPoint[0] + 18, xAxisPoint[1] - 9]
          const c4 = [shape.x + 18, shape.y - 9]
          ctx
            .moveTo(c1[0], c1[1])
            .lineTo(c2[0], c2[1])
            .lineTo(c3[0], c3[1])
            .lineTo(c4[0], c4[1])
            .closePath()
        }
      })
      const CubeTop = this.$echarts.graphic.extendShape({
        shape: {
          x: 0,
          y: 0
        },
        buildPath: function (ctx, shape) {
          const c1 = [shape.x, shape.y]
          const c2 = [shape.x + 18, shape.y - 9]
          const c3 = [shape.x + 9, shape.y - 18]
          const c4 = [shape.x - 9, shape.y - 9]
          ctx
            .moveTo(c1[0], c1[1])
            .lineTo(c2[0], c2[1])
            .lineTo(c3[0], c3[1])
            .lineTo(c4[0], c4[1])
            .closePath()
        }
      })
      this.$echarts.graphic.registerShape('CubeLeft', CubeLeft)
      this.$echarts.graphic.registerShape('CubeRight', CubeRight)
      this.$echarts.graphic.registerShape('CubeTop', CubeTop)
      const MAX = [
        600, 600, 600, 600, 600, 500, 400, 300, 200, 400, 300, 200
      ]
      const VALUE = [
        212, 130, 390, 249, 164, 130, 390, 249, 154, 390, 249, 154
      ]
      option = {
        backgroundColor: '#010d3a',
        title: {
          text: '',
          top: 32,
          left: 18,
          textStyle: {
            color: '#00F6FF',
            fontSize: 24
          }
        },
        tooltip: {},
        grid: {
          left: 20,
          right: 40,
          bottom: '10%',
          top: 30,
          containLabel: true
        },
        xAxis: {
          type: 'category',
          data: [
            '德州',
            '德城区',
            '陵城区',
            '禹城市',
            '乐陵市',
            '临邑县',
            '平原县',
            '夏津县',
            '武城县',
            '庆云县',
            '宁津县',
            '齐河县'
          ],
          axisLine: {
            show: true,
            lineStyle: {
              color: 'white'
            }
          },
          offset: 20,
          axisTick: {
            show: false,
            length: 9,
            alignWithLabel: true,
            lineStyle: {
              color: '#7DFFFD'
            }
          },
          axisLabel: {
            fontSize: 10
          }
        },
        yAxis: {
          type: 'value',
          axisLine: {
            show: true,
            lineStyle: {
              color: 'white'
            }
          },
          splitLine: {
            show: false
          },
          axisTick: {
            show: false
          },
          axisLabel: {
            fontSize: 16
          },
          boundaryGap: ['20%', '20%']
        },
        series: [
          {
            type: 'custom',
            renderItem: function (params, api) {
              const location = api.coord([api.value(0), api.value(1)])
              return {
                type: 'group',
                children: [
                  {
                    type: 'CubeLeft',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: 'rgba(7,29,97,.6)'
                    }
                  },
                  {
                    type: 'CubeRight',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: 'rgba(10,35,108,.7)'
                    }
                  },
                  {
                    type: 'CubeTop',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: 'rgba(11,42,106,.8)'
                    }
                  }
                ]
              }
            },
            data: MAX
          },
          {
            type: 'custom',
            renderItem: (params, api) => {
              const location = api.coord([api.value(0), api.value(1)])
              return {
                type: 'group',
                children: [
                  {
                    type: 'CubeLeft',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: new this.$echarts.graphic.LinearGradient(0, 0, 0, 1, [
                        {
                          offset: 0,
                          color: '#3B80E2'
                        },
                        {
                          offset: 1,
                          color: '#49BEE5'
                        }
                      ])
                    }
                  },
                  {
                    type: 'CubeRight',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: new this.$echarts.graphic.LinearGradient(0, 0, 0, 1, [
                        {
                          offset: 0,
                          color: '#3B80E2'
                        },
                        {
                          offset: 1,
                          color: '#49BEE5'
                        }
                      ])
                    }
                  },
                  {
                    type: 'CubeTop',
                    shape: {
                      api,
                      xValue: api.value(0),
                      yValue: api.value(1),
                      x: location[0],
                      y: location[1],
                      xAxisPoint: api.coord([api.value(0), 0])
                    },
                    style: {
                      fill: new this.$echarts.graphic.LinearGradient(0, 0, 0, 1, [
                        {
                          offset: 0,
                          color: '#3B80E2'
                        },
                        {
                          offset: 1,
                          color: '#49BEE5'
                        }
                      ])
                    }
                  }
                ]
              }
            },
            data: VALUE
          },
          {
            type: 'bar',
            label: {
              normal: {
                show: true,
                position: 'top',
                formatter: (e) => {
                  switch (e.name) {
                    case '10kV线路':
                      return VALUE[0]
                    case '公用配变':
                      return VALUE[1]
                    case '35kV主变':
                      return VALUE[2]
                    case '水':
                  }
                },
                fontSize: 16,
                color: '#fff',
                offset: [4, -25]
              }
            },
            itemStyle: {
              color: 'transparent'
            },
            data: MAX
          }
        ]
      }

      option && myChart.setOption(option)
    }
  }
}
</script>

<style>

</style>
